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1242253354 = 2797862363
BaseRepresentation
bin100101000001011…
…0100100000101010
310012120112000020111
41022002310200222
510021004101404
6323133444534
742532656616
oct11202644052
93176460214
101242253354
11588246371
122a804074a
1316a499874
14badac346
15740d5104
hex4a0b482a

1242253354 has 8 divisors (see below), whose sum is σ = 1886967360. Its totient is φ = 613264236.

The previous prime is 1242253339. The next prime is 1242253361. The reversal of 1242253354 is 4533522421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931024 + ... + 3931339.

It is an arithmetic number, because the mean of its divisors is an integer number (235870920).

Almost surely, 21242253354 is an apocalyptic number.

1242253354 is a deficient number, since it is larger than the sum of its proper divisors (644714006).

1242253354 is an equidigital number, since it uses as much as digits as its factorization.

1242253354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862444.

The product of its digits is 28800, while the sum is 31.

The square root of 1242253354 is about 35245.6146775737. The cubic root of 1242253354 is about 1074.9874464732.

Adding to 1242253354 its reverse (4533522421), we get a palindrome (5775775775).

The spelling of 1242253354 in words is "one billion, two hundred forty-two million, two hundred fifty-three thousand, three hundred fifty-four".

Divisors: 1 2 79 158 7862363 15724726 621126677 1242253354